HD 154088
HD 154088 is a seventh magnitude metal-rich K-type main sequence star that lies approximately 58 light-years away in the constellation of Ophiuchus. The star is orbited by a hot Super-Earth.
Observation data Epoch J2000.0 Equinox J2000.0 | |
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Constellation | Ophiuchus |
Right ascension | 17h 04m 27.84s ± 5.62 |
Declination | −28° 34′ 57.64″ ± 3.16 |
Apparent magnitude (V) | 6.7258 ± 0.005 |
Characteristics | |
Spectral type | K0V |
B−V color index | 0.814 ± 0.034 |
Astrometry | |
Radial velocity (Rv) | 14.2972 ± 0.0003 km/s |
Proper motion (μ) | RA: 83.76 ± 0.64 mas/yr Dec.: -268.69 ± 0.36 mas/yr |
Parallax (π) | 56.06 ± 0.50 mas |
Distance | 58.2 ± 0.5 ly (17.8 ± 0.2 pc) |
Absolute magnitude (MV) | 5.47 ± 0.02 |
Details | |
Mass | 0.97 ± 0.05 M☉ |
Radius | 0.95 ± 0.03 R☉ |
Luminosity | 0.68 +0.06 −0.05 (log -0.169 ± 0.033) L☉ |
Surface gravity (log g) | 4.40 ± 0.11 cgs |
Temperature | 5423 ± 51 K |
Metallicity [Fe/H] | 0.31 ± 0.03 dex |
Rotation | 42.6 ± 4.4 |
Rotational velocity (v sin i) | 1.9 ± 0.5 km/s |
Age | 3 - 8 Gyr |
Other designations | |
Database references | |
SIMBAD | data |
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